The Collaborative International Dictionary of English v.0.48:

Genevese \Gen`e*vese"\, a. [Cf. L. Genevensis, F. g['e]nevois.]
   Of or pertaining to Geneva, in Switzerland; Genevan. -- n.
   sing. & pl. A native or inhabitant of Geneva; collectively,
   the inhabitants of Geneva; people of Geneva.
   [1913 Webster]